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Finding the Fourth Proportional to 224,704.80, 336,826.80 and 131,162.40

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Solution

The fourth proportional to 224,704.80, 336,826.80 and 131,162.40 is: 196,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,704.80 : 336,826.80 = 131,162.40 : x
  2. Step 2: Convert to fraction form
    224,704.80/336,826.80 = 131,162.40/x
  3. Step 3: Cross multiply
    224,704.80x = 336,826.80 × 131,162.40
  4. Step 4: Simplify right side
    224,704.80x = 44,179,011,472.32
  5. Step 5: Solve for x
    x = 44,179,011,472.32/224,704.80
  6. Step 6: Final answer
    x = 196,609.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.